How to Set Up Microsoft 365 DNS Records

24/12/2025 4:45 PM
- Microsoft M365

Step 1: Log in to Microsoft 365 Admin Center

Go to https://admin.microsoft.com
2. Sign in using a Global Admin account
3. Navigate to: Settings → Domains
4. Select your domain name

Step 2: Get Microsoft 365 DNS Records

Under your domain, click DNS records
2. Microsoft 365 will display the required DNS records:
- TXT (Domain verification)
- MX (Email routing)
- CNAME (Autodiscover)
- TXT (SPF)

Step 3: Add DNS Records at Your DNS Provider

Log in to your DNS provider (domain registrar or hosting DNS panel) and add the following records.

[Screenshot: DNS provider control panel – Add DNS records]

1️⃣ TXT – Domain Verification

Type: TXT
Host/Name: @
Value: MS=msXXXXXXXX
TTL: 3600

Used to verify domain ownership.

2️⃣ MX – Mail Exchange (Required for Email)

Type: MX
Host/Name: @
Value: yourdomain-com.mail.protection.outlook.com
Priority: 0
TTL: 3600

Important: Remove old MX records to avoid email delivery issues.

3️⃣ CNAME – Autodiscover

Type: CNAME
Host/Name: autodiscover
Value: autodiscover.outlook.com
TTL: 3600

Required for Outlook and Microsoft 365 auto-configuration.

4️⃣ TXT – SPF Record

Type: TXT
Host/Name: @
Value: v=spf1 include:spf.protection.outlook.com -all
TTL: 3600

Prevents email spoofing and improves email delivery.
Note: Only ONE SPF record should exist.

Step 4: Verify DNS in Microsoft 365

Return to Microsoft 365 Admin Center
2. Click Verify
3. Wait for DNS propagation (a few minutes up to several hours)

Once verified, the domain status will show Healthy / Set up complete ✅

Share via